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PostgreSQL: CVE-2020-25696: psql's \gset allows overwriting specially treated variables

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PostgreSQL: CVE-2020-25696: psql's \gset allows overwriting specially treated variables

Severity
8
CVSS
(AV:N/AC:H/Au:N/C:C/I:C/A:C)
Published
11/16/2020
Created
11/17/2020
Added
11/16/2020
Modified
11/26/2021

Description

A flaw was found in the psql interactive terminal of PostgreSQL in versions before 13.1, before 12.5, before 11.10, before 10.15, before 9.6.20 and before 9.5.24. If an interactive psql session uses \gset when querying a compromised server, the attacker can execute arbitrary code as the operating system account running psql. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Solution(s)

  • postgres-upgrade-10_15
  • postgres-upgrade-11_10
  • postgres-upgrade-12_5
  • postgres-upgrade-13_1

References

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